Dal Soon tries to tell Hae Joo who her real mother is, but Hae Joo stops her, saying her mother is the person who raised her. Hae Joo and Kang San become close as they study blueprints, and Kang San's feelings for Hae Joo resurface from childhood. Chang Hee moves out of his father's home because he won't approve of his relationship with Hae Joo. Hae Joo finds out that her older brother, Sang Tae, asked Chang Hee for money, which he used to buy a shiny new car.